<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>v-model的原理</title>
    <script src="js/vue.min.js"></script>
</head>
<body>
    <div id="app">
        <input type="text" :value="message" @input="valueChange($event.target.value)">
        {{message}}
    </div>
</body>
<script>
    const app = new Vue({
        el:"#app",
        data:{
            message:'zzz'
        },
        methods:{
            valueChange(value){
                console.log("input值改变了");
                this.message = value;
            }
        }
    })
</script>
</html>